WOONSOCKET, R.I. — Three for-profit health care companies from Tennessee and one from California have made bids to buy a financially troubled Rhode Island hospital and an affiliated rehabilitation center.

The court-appointed special master for Landmark Medical Center in Woonsocket unveiled the bids on Wednesday.

The bidders are Prime Healthcare Services of Ontario, Calif.; as well as RegionalCare Hospital Partners; Transition HealthCare; and Capella Healthcare, all of Franklin, Tenn.